Heavy Equipment Attachments


John Deere 644H High Lift Wheel Loader

John Deere 644H High Lift Wheel Loader specs

Dimensions

A: Length with Bucket:
28 ft in (8525 mm)
B: Width Over Tires:
8.8 ft in (2697 mm )
C: Wheelbase:
10.5 ft in (3200 mm)
D: Height to Top of Cab:
11.2 ft in (3400 mm)
E: Ground Clearance:
1.5 ft in (461 mm)
F: Hinge Pin - Max Height:
15 ft in (4569 mm)
G: Dump Clearance:
11.1 ft in (3375 mm)
H: Reach at Max Lift:
3.9 ft in (1175 mm)

Engine

Make:
John Deere
Model:
6081H
Net Power:
180 hp (134.2 kw)
Gross Power:
205 hp (153 kw)
Power Measured @:
2200 rpm
Displacement:
496 cu in (8.1 L)
Torque Measured @:
1300 rpm
Number of Cylinders:
6
Max Torque:
745 lb ft (1010 Nm)
Aspiration:
Turbocharged with Aftercooler

Operational

Operating Weight:
39000 lb (17690 kg)
Fuel Capacity:
90 gal (341 L)
Hydraulic System Capacity:
31 gal (117 L)
Engine Oil Fluid Capacity:
6.6 gal (25 L)
Cooling System Fluid Capacity:
7.7 gal (29 L)
Transmission Fluid Capacity:
6.9 gal (26 L)
Front Axle/Diff Fluid Capacity:
7.1 gal (27 L)
Rear Axle/Diff Fluid Capacity:
7.1 gal (27 L)
Static Tipping Weight:
24798 lb (11248 kg)
Turning Radius:
18 ft in (5500 mm)
Operating Voltage:
24 V
Alternator Supplied Amperage:
55 amps
Rear Axle Oscillation:
26 degrees
Tire Size:
20.5-25

Transmission

Type:
Power Shift
Forward Gears:
4
Reverse Gears:
3
Max Speed (Forward):
24 mph (39 km/h)
Max Speed (Reverse):
16.4 mph (26.7 km/h)

Hydraulic System

Pump Type:
Piston Pump
Relief Valve Pressure:
3600 psi (24821.1 kPa)
Pump Flow Capacity:
68 gal/min (257.4 L/min)
Raise Time:
6.2 sec
Dump Time:
1.4 sec
Lower Time:
3 sec

Bucket Specs

Breakout Force:
30574 lb (136 kN)
Dump Clearance:
11.1 ft in (3375 mm)
Bucket Width:
9.5 ft in (2900 mm)
Bucket Capacity (Heaped):
4.3 yd3 (3.3 m3)
Bucket Capacity (Struck):
3.7 yd3 (2.8 m3)


TRK ATTACHMENTS INC CANNOT GUARANTEE THAT THE John Deere 644H High Lift Wheel Loader SPECIFICATIONS TO BE ERROR-FREE OR COMPLETE. THE ABOVE SPECIFICATIONS ARE PROVIDED "AS IS" AND WITHOUT ANY WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED.